Congrats on your score.

There is fare chance to get into IIT BHU in Applied Physics, Applied Chemistry, Ceramics, Civil, EE, Metallurgy & Material, Material Science, Petrochemical, Physics, Plastic Engineering, Metallurgy.

If you want to pursue M tech in your core subject try for any lower IITs below IIT BHU. As you can get into it easily.

Click on the below link to get more details

https://engineering.careers360.com/gate-college-predictor?icn=gatecollegepredictorwithpsuchances%26e-books-clgpd-trial&ici=cahometool_lp